Volkswagen Polo Service & Repair Manual: Odor from the Heater and A/C Unit
Possible Concerns
Note
The A/C system is functioning correctly when the air flowing
from the instrument panel vents has a temperature of 70C
or lower.
...
Odor from Evaporator or Heat Exchanger?
Fishy smell
–
From leak at cooling system of engine or of A/C system
heater core.
Note
...
Other materials:
Introduction
This chapter contains information on the following subjects:
→ Indicator lamp
→ Description of the central locking system
→ Locking and unlocking the vehicle from the outside
→ Locking and unlocking the vehicle from the inside
→ SAFELOCK mechanism
&nb ...
Refrigerant Circuit with Expansion Valve
A-Low pressure side of refrigerant circuit.
B-High pressure side of refrigerant circuit.
Component
Aggregate State of Refrigerant
Pressure bar (psi) Positive Pressure
Temperature
...
Welding and Soldering on Refrigeration Systems
Before performing welding or soldering work on vehicles near
the air conditioning system components, extract the refrigerant
and remove the residue by flushing with compressed air and
nitrogen.
The products of refrigerant decomposition d ...
